package com.heima.behavior.service.impl;
import java.util.Date;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApReadBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.ReadBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApReadBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

@Service
@Slf4j
public class ApReadBehaviorServiceImpl implements ApReadBehaviorService {

    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;

    @Override
    public ResponseResult readBehavior(ReadBehaviorDTO dto) {
        //1. 校验参数 文章id必须传
        //2. 根据登录用户id 或 设备id查询行为实体数据(阅读操作可不登录)
        ApUser user = AppThreadLocalUtils.getUser();
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user==null?null:user.getId(), dto.getEquipmentId());

        //3. 判断阅读行为是否存在
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(Long.valueOf(dto.getArticleId())));
        ApReadBehavior behavior = mongoTemplate.findOne(query, ApReadBehavior.class);
        if (behavior!=null){
            //4. 存在  将阅读行为的count字段加1 并修改
            int count = behavior.getCount().intValue();
            count +=1;
            behavior.setCount((short)count);
            mongoTemplate.save(behavior);
        }else {
            //5. 不存在  创建阅读行为 并初始化count字段值为 1
            ApReadBehavior readBehavior = new ApReadBehavior();
            readBehavior.setEntryId(apBehaviorEntry.getId());
            readBehavior.setArticleId(Long.valueOf(dto.getArticleId()));
            readBehavior.setCount((short)1);
            readBehavior.setCreatedTime(new Date());
            readBehavior.setUpdatedTime(new Date());
            mongoTemplate.save(readBehavior);
        }
        return ResponseResult.okResult();

    }
}
